ProMatcher

Does a bathroom fan have to vent outside?

Top Answer: Yes, always (71% of 39 votes).
Does a bathroom fan have to vent outside?
Yes, always
71%
In most cases
20%
In some cases
5%
Not sure
2%

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Updated on December 29, 2015

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Comments From Our Pros

Answer: Yes, always
Explanation: Yes because otherwise you are just moving the moisture to somewhere else in your house.
Construct Boss
Answer: Yes, always
Explanation: It needs to go somewhere outside
Misija construction
Answer: In some cases
Explanation: It is acceptable to vent in the attic when the attic is properly vented to the outside and there are no obstructions of the bathroom fan.
iDesign Interiors, LLC
ProMatcher
Answer: Yes, always
Explanation: A fan must exhaust out of the home. It is there to take the moisture out. Blowing into an attic can cause mold.
Ward Kitchen & Bath
Answer: Yes, always
Explanation: Check your local code, it is required in my area.
Eric Dahl, Building Design & Drafting
Answer: Yes, always
Explanation: needs a vent unless its installed in a window
Dmar.Remodeling.llc
ProMatcher
Answer: Yes, always
Explanation: take moisture out of the house
Modern Creations Construction